Epson Powerspan, Руководство пользователя

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Try placing any source documents you are using on a copy
stand and position the stand next to the screen at the same eye
level. This reduces neck strain and makes it easier for your eyes
to move back and forth between the document and the screen.
Lighting Your Workspace
Appropriate lighting increases your comfort and
productivity, and it’s good for your eyes.
Arrange your computer and light sources to minimize glare
and bright reflections.
Position the monitor so that any windows in the room face the
sides of the monitor, not the front or back. This will help reduce
glare.
For working at the computer, indirect or shielded lighting is
best, and it should light your entire office equally. Make sure
the lighting is not too bright, because this can make your eyes
tired from continually readjusting between the relative dimness
of the screen and the bright surroundings. You can use window
blinds, shades, or drapes to control the amount of daylight in
the room or reduce overhead lighting by turning off or
dimming the lights.
Here is a simple way you can test your lighting. While looking
at the screen, use your hand to shield your eyes from the
brightest light source in the room (such as a window or
overhead light). If you feel a sense of relief, no matter how
small, your current lighting is too bright.
Using the Keyboard and Mouse
Constant use of a keyboard, mouse, or any
pointing device can lead to a variety of aches and
strains. To prevent injury, keep your hands relaxed and rest
them frequently.
4-4 Using Your Computer